> immediately start making a new one with the same technology Take a look at what happened with Marek's disease virus in chickens to get a taste for why this c

> immediately start making a new one with the same technology Take a look at what happened with Marek's disease virus in chickens to get a taste for why this could be a very bad idea [1][2]. > a situation is created where enough people are vaccinated that those who are not are just leaving themselves in greater danger Yes this is exactly what happens, and is corroborated by the citations I provided in this comment. Do you want to live in a world where you literally cannot survive without vaccination, because multiple generations of vaccines have been undermined by viral evolution? What you're suggesting is exactly how that can happen. [1] Imperfect Vaccination Can Enhance the Transmission of Highly Virulent Pathogens https://journals.plos.org/plosbiology/article?id=10.1371%2Fjournal.pbio.1002198 https://journals.plos.org/plosbiology/article?id=10.1371%2Fj... [2] Marek’s disease in chickens: a review with focus on immunology https://veterinaryresearch.biomedcentral.com/articles/10.1186/s13567-016-0404-3 https://veterinaryresearch.biomedcentral.com/articles/10.118...